The parameter to the method is the basic data type

package method.invocation;

public class TheParameterToTheMethodIsTheBasicDataType {
    public static void main(String[] args) {
        int a = 10;
        int b = 20;
        
        System.out.println(a+" "+b);
        
        change(a, b);
        
        System.out.println(a+" "+b);
    }
    
    public static void change(int a, int b) {
        System.out.println(a+" "+b);
        a = b;
        b = a + b;
        System.out.println(a+" "+b);
    }
}